HELLO,
I HAVE A FEW QUESTIONS TO ASK. CAN ANYONE TELL ME HOW TO GET RID OF THE LITTLE BUBBLES I HAVE COMING INTO MY TANK VIA THE RETURN PUMPS. I HAVE TRIED TO MOVE THING AROUND IN MY SUMP BUT NOTHING SEEMS TO WORK. ALSO IF ANYONE KNOWS HOW TO GET RID OF NITRATES. I TESTED THEM TODAY AND THEY...